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Issue 1, 2013
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A microporous metal–organic framework containing an exceptional four-connecting 4264 topology and a combined effect for highly selective adsorption of CO2 over N2

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Abstract

Reported here is a new microporous metal–organic framework, namely [Zn2(L)(btc)(Hbtc)] [NH2(CH3)2]·(DMF)2 (H2O)4(1), which is synthesized solvo(hydro)thermally by the self-assembly of Zn(NO3)2, N4,N4-di(pyridin-3-yl)-[1,1′-biphenyl]-4,4′-dicarboxamide (L) and 1,3,5-benzenetricarboxylate acid (H3btc). Its topology can be described as a four-connecting 4264 matrix containing both tetrahedral metal and ligand nodes. Interestingly, such a matrix has the same topology symbol as that observed in the well known sodalite (SOD) net, but the td10 of 434 is different from the td10 of 791 for the SOD net, indicative of an exceptional four-connecting 4264 net. Another outstanding point is the highly selective adsorption of CO2 over N2, possibly contributed by a combined effect from the charged skeleton, the existence of functional groups of –CONH– and –COOH in 1.

Graphical abstract: A microporous metal–organic framework containing an exceptional four-connecting 4264 topology and a combined effect for highly selective adsorption of CO2 over N2

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Publication details

The article was received on 20 Aug 2012, accepted on 12 Oct 2012 and first published on 16 Oct 2012


Article type: Communication
DOI: 10.1039/C2DT31905E
Citation: Dalton Trans., 2013,42, 50-53
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    A microporous metal–organic framework containing an exceptional four-connecting 4264 topology and a combined effect for highly selective adsorption of CO2 over N2

    Y. Qin, X. Feng, F. Luo, G. Sun, Y. Song, X. Tian, H. Huang, Y. Zhu, Z. Yuan, M. Luo, S. Liu and W. Xu, Dalton Trans., 2013, 42, 50
    DOI: 10.1039/C2DT31905E

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